Home / 113,557.49-156,774.29-75,368.82

Finding the Fourth Proportional to 113,557.49, 156,774.29 and 75,368.82

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Solution

The fourth proportional to 113,557.49, 156,774.29 and 75,368.82 is: 104,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,557.49 : 156,774.29 = 75,368.82 : x
  2. Step 2: Convert to fraction form
    113,557.49/156,774.29 = 75,368.82/x
  3. Step 3: Cross multiply
    113,557.49x = 156,774.29 × 75,368.82
  4. Step 4: Simplify right side
    113,557.49x = 11,815,892,866.79
  5. Step 5: Solve for x
    x = 11,815,892,866.79/113,557.49
  6. Step 6: Final answer
    x = 104,052.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.